{"answers": " ", "options": ["m : yes . bones , counting for only 2 % of the body 's weight , keep people healthy .", "m : great . if your bones are healthy , they can in turn protect the inside of your body .", "m : it 's important to protect the 300 bones . they help you move alone the ground .", "m : yeah , and your bones will protect the inside of the body . this is its only function ."], "article": "m : do you know how many bones there are in the human body ? f : about 100 bones . m : no , there are actually 206 bones . f : how much do they weigh ? m : they count for up to 20 % of the body 's weight . if you did n't have any bones in your body , you would look like a balloon without any air in it . do you know what bones are for ? f : i think bones give us the ability to stand , walk and run . m : great . actually , they have 2 important functions . one is to provide a structure that enables humans to stand upright instead of moving along the ground . the other is to protect the inside of the body . so , how can you keep your bones healthy ? f : by eating certain foods that are good for bones .", "id": "test_143"}